47957680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 80

約数和(自身を含む): 119322720

約数和(自身を除く): 71365040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 179, 197, 272, 340, 358, 394, 680, 716, 788, 895, 985, 1360, 1432, 1576, 1790, 1970, 2864, 3043, 3152, 3349, 3580, 3940, 6086, 6698, 7160, 7880, 12172, 13396, 14320, 15215, 15760, 16745, 24344, 26792, 30430, 33490, 35263, 48688, 53584, 60860, 66980, 70526, 121720, 133960, 141052, 176315, 243440, 267920, 282104, 352630, 564208, 599471, 705260, 1198942, 1410520, 2397884, 2821040, 2997355, 4795768, 5994710, 9591536, 11989420, 23978840, 47957680]

約数ペア:

[(1, 47957680), (2, 23978840), (4, 11989420), (5, 9591536), (8, 5994710), (10, 4795768), (16, 2997355), (17, 2821040), (20, 2397884), (34, 1410520), (40, 1198942), (68, 705260), (80, 599471), (85, 564208), (136, 352630), (170, 282104), (179, 267920), (197, 243440), (272, 176315), (340, 141052), (358, 133960), (394, 121720), (680, 70526), (716, 66980), (788, 60860), (895, 53584), (985, 48688), (1360, 35263), (1432, 33490), (1576, 30430), (1790, 26792), (1970, 24344), (2864, 16745), (3043, 15760), (3152, 15215), (3349, 14320), (3580, 13396), (3940, 12172), (6086, 7880), (6698, 7160)]